System and method for reducing loads during an idling or parked state of a wind turbine via yaw offset

A system for reducing loads of a wind turbine during a rotor blade fault, the system comprising:

• at least one sensor configured for monitoring a rotor blade of the wind turbine;
• a controller communicatively coupled to the at least one sensor, the controller comprising at least one processor configured to perform one or more operations, the one or more operations comprising:
• determining an operational status of the wind turbine if a rotor blade fault is detected via the at least sensor;
• and,
• determining a yaw offset for yawing the nacelle, the yaw offset comprising about ninety degrees (90°) plus or minus from about one degree (1°) to about thirty degrees (30°);
• if the operational status corresponds to a predetermined operational status at the same time the fault is present, actively yawing a nacelle of the wind turbine away from an incoming wind direction by the yaw offset until at least one of the fault is corrected or the operational status changes.

A method for reducing loads during an idling state of a wind turbine, the method comprising:

• monitoring, via a turbine controller, rotation of a rotor blade of the wind turbine during the idling state;
• determining a yaw offset for yawing a nacelle of the wind turbine, the yaw offset comprising about ninety degrees (90°) plus or minus from about one degree (1°) to about thirty degrees (30°);
• and,
• when the rotor blade becomes unable to rotate, actively yawing the nacelle of the wind turbine away from an incoming wind direction by the yaw offset until the rotor blade is able to rotate again and the wind turbine is no longer idling.